4-in-1 Turbo Nozzle Pressure Washer 1/4″ Quick Connect 4000 PSI 2.5 Orifice by | Jul 24, 2026The 1/4″ quick connector is made of stainless steel, which is wear-resistant, not easy to rust or corrode. It can be used to clean different surfaces such as cars, trucks, boats, building exteriors, courtyards, and more.